CHRISTOPHER LLOYD from “Back to the Future” has returned as inventor Doc Brown to celebrate the date on which he and Marty McFly first arrive in the future.

    Lloyd has made the short film “Doc Brown Saves the World,” marking the 1985 film’s end date of Oct. 21, 2015.

    Universal has released a teaser for it, to be included in the 30th anniversary re-issue of the full “Back to Future” trilogy. Michael J Fox, who played student Marty, does not feature in the teaser.

    Lloyd’s eccentric time-traveling inventor Emmett “Doc” Brown is seen getting out of the film’s now legendary DeLorean time machine sports car. What then goes on to unfold is left for fans to conjecture, in true “teaser” style.

    Earlier this year, Lloyd also reprised the role in another teaser, this time for the video game “Lego Dimensions.”

    The 30th anniversary re-issue has other extras, including a 2009 retrospective documentary on the trilogy and two episodes of the animated spinoff. It will be released Oct. 21.

    The comedic science-fiction “Back to the Future” films followed the adventures of Marty and the scatty inventor.

    In the first 1985 film, teenager Marty is sent back in time to 1955, where he meets his future parents, then high school students.

    The film became the highest-grossing of 1985, making more than US$300m worldwide. It also received four Academy Award nominations, winning one Oscar for sound effects editing. Two sequels were made, “Back to the Future Part II,” set in 2015, and “Back to the Future Part III,” set in 1885.

    (SD-Agencies)